<script setup>
import { User, Lock } from "@element-plus/icons-vue";
import { ref, reactive } from "vue";
//导入token.js
import { useTokenStore } from "@/stores/token.js";
//导入路由
import { useRouter } from "vue-router";
//创建路由
const router = useRouter();
//导入elemnt-plus-ui的反馈组件
import { ElMessage } from "element-plus";
// 控制注册与登录表单的显示， 默认显示注册
const isRegister = ref(false);

// 定义数据模型
const registerData = reactive({
  username: "",
  password: "",
  repassword: "",
});

// 校验密码函数实现
const checkRePassword = (rule, value, callback) => {
  if (value === "") {
    callback(new Error("请再次确认密码"));
  } else if (value !== registerData.password) {
    callback(new Error("请确保两次输入的密码一致"));
  } else {
    callback();
  }
};

// 定义表单效验规则
const rules = {
  username: [
    { required: true, message: "请输入用户名", trigger: "blur" },
    {
      min: 5,
      max: 16,
      message: "用户名长度为5～16位数非空字符",
      trigger: "blur",
    },
  ],
  password: [
    { required: true, message: "请输入密码", trigger: "blur" },
    {
      min: 5,
      max: 16,
      message: "密码长度为5～16位数非空字符",
      trigger: "blur",
    },
  ],
  repassword: [{ validator: checkRePassword, trigger: "blur" }],
};
//调用后台注册接口
import { userRegisterService, userLoginService } from "@/api/user";
const register = async () => {
  let result = await userRegisterService(registerData);
  //   console.log(result);
  //   if (result.code === 0) {
  //     //代表成功
  //     alert(result.message ? result.message : "注册成功");
  //   } else {
  //     alert(result.message ? result.message : "注册失败");
  //   }
  //   alert(result.message ? result.message : "注册成功");
  ElMessage.success(result.message ? result.message : "注册成功");
};
//数据模型绑定
//表单数据效验
//登陆函数
const login = async () => {
  //调用接口完成登陆
  let result = await userLoginService(registerData);
  console.log("result:", result);
  //把得到的token存储到pinia中
  useTokenStore().setToken(result.data);
  //   if (result.code === 0) {
  //     //登陆成功
  //     alert(result.message ? result.message : "登陆成功");
  //   } else {
  //     //登陆失败
  //     alert(result.message ? result.message : "登陆失败");
  //   }
  //   alert(result.message ? result.message : "登陆成功");
  ElMessage.success(result.message ? result.message : "登陆成功");
  router.push("/");
};
//定义函数 清空数据模型
const clearRegisterData = () => {
  // 直接清空注册数据
  registerData.username = "";
  registerData.password = "";
  registerData.repassword = "";
};
</script>

<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <!-- 注册表单 -->
      <el-form
        ref="formRef"
        size="large"
        autocomplete="off"
        v-if="isRegister"
        :model="registerData"
        :rules="rules"
      >
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input
            :prefix-icon="User"
            placeholder="请输入用户名"
            v-model="registerData.username"
            type="text"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
            v-model="registerData.password"
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            :prefix-icon="Lock"
            type="password"
            placeholder="请再次输入密码"
            v-model="registerData.repassword"
          ></el-input>
        </el-form-item>
        <!-- 注册按钮 -->
        <el-form-item>
          <el-button
            class="button"
            type="primary"
            auto-insert-space
            @click="register"
          >
            注册
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link
            type="info"
            :underline="false"
            @click="
              isRegister = false;
              clearRegisterData();
            "
          >
            ← 返回
          </el-link>
        </el-form-item>
      </el-form>
      <!-- 登录表单 -->
      <el-form
        ref="loginFormRef"
        size="large"
        autocomplete="off"
        v-else
        :model="registerData"
        :rules="rules"
      >
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input
            :prefix-icon="User"
            placeholder="请输入用户名"
            v-model="registerData.username"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            name="password"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
            v-model="registerData.password"
          ></el-input>
        </el-form-item>
        <el-form-item class="flex">
          <div class="flex">
            <el-checkbox>记住我</el-checkbox>
            <el-link type="primary" :underline="false">忘记密码？</el-link>
          </div>
        </el-form-item>
        <!-- 登录按钮 -->
        <el-form-item>
          <el-button
            class="button"
            type="primary"
            auto-insert-space
            @click="login()"
          >
            登录
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link
            type="info"
            :underline="false"
            @click="
              isRegister = true;
              clearRegisterData();
            "
          >
            注册 →
          </el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
  height: 100vh;
  background-color: #fff;

  .bg {
    background: url("@/assets/logo2.png") no-repeat 60% center / 240px auto,
      url("@/assets/login_bg.jpg") no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>